:root {
    --color-dark: #1a2332;       /* Header, footer, titres */
    --color-text: #334155;       /* Texte principal */
    --color-gray: #64748b;       /* Texte secondaire */
    --color-bg: #eef2f7;         /* Fond de page */
    --color-accent: #0891b2;     /* Couleur d'accent (cyan) */
    --color-accent-dark: #0e7490;
    --color-accent-light: #e0f7fa;
    --color-white: #ffffff;
    --color-border: #cbd5e1;
    --color-card-hover: #f8fafc;
}

/* --- Reset et styles de base --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}

main {
    flex: 1;
}

a {
    color: var(--color-accent);
}

.page-banner {
    background-color: var(--color-dark);
    color: var(--color-white);
    text-align: center;
    padding: 45px 20px;
    margin-bottom: 40px;
}

.page-banner .page-title {
    color: var(--color-white);
    font-size: 2.2rem;
    margin-bottom: 10px;
}

.page-banner .page-subtitle {
    color: #cbd5e1;
    max-width: 600px;
    margin: 0 auto;
    font-size: 1rem;
}

/* Titres de section */
.section-header {
    text-align: center;
    margin-bottom: 35px;
}

.section-title {
    font-size: 1.6rem;
    color: var(--color-dark);
    margin-bottom: 8px;
}

.section-line {
    width: 50px;
    height: 4px;
    background-color: var(--color-accent);
    margin: 0 auto;
    border-radius: 2px;
}


/* HEADER / NAVIGATION */
.site-header {
    background-color: var(--color-dark);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 0;
    position: relative;
}

.logo {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--color-white);
    text-decoration: none;
    letter-spacing: 0.5px;
}

.logo span {
    color: var(--color-accent);
}

.logo:hover {
    opacity: 0.9;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-link {
    text-decoration: none;
    color: #cbd5e1;
    padding: 10px 18px;
    border-radius: 6px;
    font-size: 0.95rem;
    transition: background-color 0.2s, color 0.2s;
}

.nav-link:hover {
    color: var(--color-white);
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-link.active {
    color: var(--color-white);
    background-color: var(--color-accent);
    font-weight: bold;
}

/* Menu hamburger mobile */
.menu-toggle {
    display: none;
    background: none;
    border: 2px solid #cbd5e1;
    border-radius: 6px;
    cursor: pointer;
    padding: 8px 10px;
    flex-direction: column;
    gap: 5px;
}

.menu-toggle .bar {
    display: block;
    width: 22px;
    height: 3px;
    background-color: var(--color-white);
    border-radius: 2px;
}

.menu-toggle.active {
    border-color: var(--color-accent);
}

/*BOUTONS*/
.btn {
    display: inline-block;
    padding: 12px 28px;
    font-size: 0.95rem;
    font-weight: bold;
    font-family: inherit;
    border-radius: 6px;
    text-decoration: none;
    cursor: pointer;
    border: 2px solid transparent;
    transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}

.btn-primary:hover {
    background-color: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-dark);
    border-color: var(--color-dark);
}

.btn-secondary:hover {
    background-color: var(--color-dark);
    color: var(--color-white);
}

.btn-outline-light {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.btn-outline-light:hover {
    background-color: var(--color-white);
    color: var(--color-dark);
}

.btn-block {
    width: 100%;
    text-align: center;
}

.btn-sm {
    padding: 8px 18px;
    font-size: 0.85rem;
}

/* PAGE ACCUEIL - HERO */
.hero {
    background-color: var(--color-white);
    margin-bottom: 0;
}

.hero-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 40px;
    padding: 60px 5%;
    max-width: 1100px;
    margin: 0 auto;
}

.hero-text {
    flex: 1 1 320px;
}

.hero-visual {
    flex: 0 1 220px;
    display: flex;
    justify-content: center;
}

.hero-badge {
    display: inline-block;
    background-color: var(--color-accent-light);
    color: var(--color-accent-dark);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: bold;
    margin-bottom: 18px;
    border: 1px solid #b2ebf2;
}

.hero-title {
    font-size: 2.8rem;
    color: var(--color-dark);
    margin-bottom: 12px;
    line-height: 1.2;
}

.hero-title span {
    color: var(--color-accent);
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--color-text);
    margin-bottom: 12px;
}

.hero-description {
    color: var(--color-gray);
    margin-bottom: 28px;
    font-size: 1rem;
}

.hero-buttons {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

/* Cercle profil (initiales) */
.profile-circle {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background-color: var(--color-accent-light);
    border: 5px solid var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    font-weight: bold;
    color: var(--color-accent-dark);
}

/* Section aperçu accueil */
.overview {
    background-color: var(--color-bg);
    padding: 55px 0;
}

.overview-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
}

.overview-grid .card {
    flex: 1 1 280px;
}

.card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 28px 24px;
    border-top: 4px solid var(--color-accent);
    transition: background-color 0.2s;
}

.card:hover {
    background-color: var(--color-card-hover);
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 12px;
    display: block;
}

.card h3 {
    font-size: 1.15rem;
    color: var(--color-dark);
    margin-bottom: 10px;
}

.card p {
    color: var(--color-gray);
    font-size: 0.95rem;
}

/*PAGE À PROPOS */
.page-content {
    padding: 0 0 50px 0;
}

.about-section {
    margin-bottom: 30px;
}

.about-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 30px;
}

.about-card h2 {
    font-size: 1.3rem;
    color: var(--color-dark);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 3px solid var(--color-accent-light);
}

.about-card p {
    line-height: 1.7;
}

.education-item h3 {
    font-size: 1.05rem;
    color: var(--color-accent-dark);
    margin-bottom: 6px;
}

.education-item .institution {
    font-weight: bold;
    color: var(--color-gray);
    margin-bottom: 10px;
}

/* Compétences - cartes */
.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    margin-top: 20px;
}

.skill-item {
    flex: 1 1 200px;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 22px;
    text-align: center;
}

.skill-icon {
    font-size: 2.2rem;
    display: block;
    margin-bottom: 10px;
}

.skill-item h4 {
    font-size: 1rem;
    color: var(--color-dark);
    margin-bottom: 6px;
}

.skill-item p {
    font-size: 0.85rem;
    color: var(--color-gray);
}

/* Compétences Web - badges et barres simples */
.skill-badges-section {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

.skill-badges-section h3 {
    font-size: 1rem;
    color: var(--color-dark);
    margin-bottom: 15px;
}

.skill-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 25px;
}

.skill-badge {
    background-color: var(--color-accent-light);
    color: var(--color-accent-dark);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: bold;
    border: 1px solid #b2ebf2;
}

.skill-bar-item {
    margin-bottom: 16px;
}

.skill-bar-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    font-weight: bold;
    color: var(--color-dark);
    margin-bottom: 6px;
}

.skill-bar {
    height: 10px;
    background-color: var(--color-bg);
    border-radius: 5px;
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.skill-bar-fill {
    height: 100%;
    background-color: var(--color-accent);
    border-radius: 4px;
}

.fill-85 { width: 85%; }
.fill-80 { width: 80%; }
.fill-75 { width: 75%; }
.fill-70 { width: 70%; }

.highlight-card {
    border-left: 5px solid var(--color-accent);
    background-color: var(--color-accent-light);
}

/* PAGE PROJETS*/
.projects-empty {
    margin-bottom: 35px;
}

.empty-card {
    background-color: var(--color-white);
    border: 2px dashed var(--color-accent);
    border-radius: 10px;
    padding: 40px 30px;
    text-align: center;
    max-width: 550px;
    margin: 0 auto;
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: 12px;
}

.empty-card h2 {
    font-size: 1.3rem;
    color: var(--color-dark);
    margin-bottom: 10px;
}

.empty-card p {
    color: var(--color-gray);
}

.projects-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
}

.project-card {
    flex: 1 1 300px;
    max-width: 360px;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    overflow: hidden;
    transition: border-color 0.2s;
}

.project-card:hover {
    border-color: var(--color-accent);
}

.project-image {
    height: 170px;
    background-color: var(--color-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 2.5rem;
}

.project-image-placeholder {
    height: 170px;
    background-color: #94a3b8;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 0.9rem;
    font-weight: bold;
}

.project-content {
    padding: 22px;
}

.project-title {
    font-size: 1.15rem;
    color: var(--color-dark);
    margin-bottom: 8px;
}

.project-description {
    color: var(--color-gray);
    font-size: 0.9rem;
    margin-bottom: 14px;
    line-height: 1.5;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.tag {
    background-color: var(--color-accent-light);
    color: var(--color-accent-dark);
    font-size: 0.75rem;
    font-weight: bold;
    padding: 4px 12px;
    border-radius: 12px;
    border: 1px solid #b2ebf2;
}

.project-links {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn-link {
    color: var(--color-accent);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: bold;
}

.btn-link:hover {
    text-decoration: underline;
    color: var(--color-accent-dark);
}

.btn-link.secondary {
    color: var(--color-gray);
}

/*PAGE SERVICES */
.services-section {
    margin-bottom: 40px;
}

.services-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 22px;
}

.service-card {
    flex: 1 1 240px;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 30px 22px;
    text-align: center;
    transition: border-color 0.2s;
}

.service-card:hover {
    border-color: var(--color-accent);
}

.service-icon {
    width: 60px;
    height: 60px;
    background-color: var(--color-accent-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin: 0 auto 16px auto;
}

.service-card h3 {
    font-size: 1.1rem;
    color: var(--color-dark);
    margin-bottom: 10px;
}

.service-card p {
    color: var(--color-gray);
    font-size: 0.9rem;
}

.strengths-section {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 30px;
}

.strengths-section h2 {
    font-size: 1.3rem;
    color: var(--color-dark);
    margin-bottom: 20px;
    text-align: center;
}

.strengths-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.strength-item {
    flex: 1 1 220px;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-accent);
    border-radius: 8px;
    padding: 18px;
}

.strength-item h4 {
    font-size: 1rem;
    color: var(--color-dark);
    margin-bottom: 6px;
}

.strength-item p {
    color: var(--color-gray);
    font-size: 0.85rem;
}

/*PAGE CONTACT*/
.contact-layout {
    display: flex;
    flex-wrap: wrap;
    gap: 28px;
    padding-bottom: 50px;
}

.contact-layout > section {
    flex: 1 1 320px;
}

.contact-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 32px;
    border-top: 4px solid var(--color-accent);
}

.contact-card h2 {
    font-size: 1.25rem;
    color: var(--color-dark);
    margin-bottom: 22px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-weight: bold;
    font-size: 0.9rem;
    color: var(--color-dark);
    margin-bottom: 6px;
}

.form-group .required {
    color: #dc2626;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.95rem;
    background-color: var(--color-bg);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background-color: var(--color-white);
}

.form-feedback {
    display: none;
    padding: 12px 14px;
    border-radius: 6px;
    font-size: 0.9rem;
    margin-bottom: 18px;
}

.form-feedback.visible {
    display: block;
}

.form-feedback.success {
    background-color: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.form-feedback.error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.info-intro {
    color: var(--color-gray);
    margin-bottom: 25px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
    padding: 14px;
    background-color: var(--color-bg);
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

.info-icon {
    font-size: 1.4rem;
    background-color: var(--color-accent-light);
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
}

.info-item h4 {
    font-size: 0.95rem;
    color: var(--color-dark);
    margin-bottom: 2px;
}

.info-item a,
.info-item p {
    color: var(--color-gray);
    text-decoration: none;
    font-size: 0.9rem;
    word-break: break-word;
}

.info-item a:hover {
    color: var(--color-accent);
}

.social-section {
    margin-top: 10px;
}

.social-section h3 {
    font-size: 1rem;
    color: var(--color-dark);
    margin-bottom: 14px;
}

.social-links {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.social-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background-color: var(--color-dark);
    color: var(--color-white);
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: bold;
    transition: background-color 0.2s;
}

.social-btn:hover {
    background-color: var(--color-accent);
}

/*FOOTER */
.site-footer {
    background-color: var(--color-dark);
    color: #cbd5e1;
    padding: 35px 0 25px 0;
    margin-top: auto;
    border-top: 4px solid var(--color-accent);
}

.footer-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
}

.footer-brand {
    font-size: 1.1rem;
    font-weight: bold;
    color: var(--color-white);
}

.footer-brand span {
    color: var(--color-accent);
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-nav a {
    color: #cbd5e1;
    text-decoration: none;
    font-size: 0.9rem;
}

.footer-nav a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.85rem;
}

.footer-bottom p {
    margin: 4px 0;
}

/*RESPONSIVE */

/* Tablette (768px et moins) */
@media (max-width: 768px) {
    .hero-inner {
        padding: 40px 5%;
        text-align: center;
    }

    .hero-text {
        flex: 1 1 100%;
    }

    .hero-visual {
        flex: 1 1 100%;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .page-banner {
        padding: 35px 20px;
    }

    .page-banner .page-title {
        font-size: 1.8rem;
    }

    .menu-toggle {
        display: flex;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--color-dark);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding: 10px 0;
    }

    .main-nav.active {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
        padding: 10px 15px;
        gap: 4px;
    }

    .nav-link {
        display: block;
        padding: 12px 16px;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }

    .footer-nav {
        justify-content: center;
    }

    .contact-layout > section {
        flex: 1 1 100%;
    }

    .project-card {
        max-width: 100%;
    }
}

/* Mobile (480px et moins) */
@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }

    .profile-circle {
        width: 150px;
        height: 150px;
        font-size: 2.5rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
        text-align: center;
    }

    .overview-grid .card,
    .skill-item,
    .service-card,
    .strength-item,
    .project-card {
        flex: 1 1 100%;
    }

    .about-card,
    .contact-card {
        padding: 22px 18px;
    }

    .social-links {
        flex-direction: column;
    }

    .social-btn {
        justify-content: center;
    }
}